Home / 2,758.59-3,807.68-1,580.45

Finding the Fourth Proportional to 2,758.59, 3,807.68 and 1,580.45

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Solution

The fourth proportional to 2,758.59, 3,807.68 and 1,580.45 is: 2,181.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,758.59 : 3,807.68 = 1,580.45 : x
  2. Step 2: Convert to fraction form
    2,758.59/3,807.68 = 1,580.45/x
  3. Step 3: Cross multiply
    2,758.59x = 3,807.68 × 1,580.45
  4. Step 4: Simplify right side
    2,758.59x = 6,017,820.92
  5. Step 5: Solve for x
    x = 6,017,820.92/2,758.59
  6. Step 6: Final answer
    x = 2,181.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.